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(1)December 17, 1903, Flyer 1’s first flight, Orville
(2)He got on and organized the lift as Wilbur ran along the plane
The Wright brothers’ first successful flight was in 1903
The flight time was about 12 seconds. The flight distance was about 36 meters
the first flight of mankind to be shown in front of five spectators
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(1)Sputnik 1
(2)Sputnik 1 was the first satellite launched by the Soviet Union into an elliptical low-Earth orbit on October 4, 1957. The success of Sputnik 1 triggered the Sputnik shock in the United States, triggered the space age and space race, and affected the political situation during the Cold War Wikipedia
Only 50 years later, the satellite was launched successfully
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About 10 years later, in 1969, the moon landed successfully
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(1)Viking One
(2)Viking 1 is a Mars rover launched by the National Aeronautics and Space Administration (NASA) to determine the existence of life on Mars. It was launched on August 20, 1975, and entered Mars orbit on June 19, 1976The orbiter operated until 17 August 1980, and the lander operated until 13 November 1982 Wikipedia
In six years, we’ll explore Mars
Since I’m cutting off Hwaseong
